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Young, Terrence E., Jr. – School Library Journal, 2004
Subject specific databases, or vortals (vertical portals), are databases that provide highly detailed research information on a particular topic. They are the smallest, most focused search tools on the Internet and, in recent years, they've been on the rise. Currently, more of the so-called "mainstream" search engines, subject directories, and…
Descriptors: Research Tools, Directories, Databases, Search Engines